{
  "manageEntity": {
    "action": "Subscribe",
    "entityId": "175233",
    "entityType": "User",
    "nonce": "0xb15ae809628a9483cde0c3b0d6eb94c781655871fac302c66fec56455d2fe00f",
    "signature": "0x5b140e18e33844b8125d699153590ae30a751763c9d67ac8063feb5fff5fcfed0983b600e880c38e3da67d271bfa98ae7ceedbd8e2a1754de7ca842d165186631c",
    "signer": "0x57Ad6E2E3fFc5ABe9b5FE7DC3bF7c07c8cCf9Ccf",
    "userId": "571702334"
  }
}